Kanagawa, Japan

Noboru Hirakawa

This inventor holds 9 USPTO granted patents. Top assignees: Fuji Xerox Co., Ltd., Fujifilm Business Innovation Corp.. Active years: 2019-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noboru Hirakawa. Retrieved from https://idiyas.com/inventor/noboru-hirakawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2019-2023

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9 patents (USPTO):Explore Patents

Title: The Innovations of Noboru Hirakawa: Pioneering Advancements in Imaging Technology

Introduction

Noboru Hirakawa is a renowned inventor based in Kanagawa, Japan, with a notable portfolio of nine patents. His work primarily focuses on advancements in imaging technology, where he has made significant contributions through innovative inventions that enhance the efficacy of image forming apparatuses.

Latest Patents

Hirakawa's latest patents include groundbreaking developments such as a charging member, charging device, process cartridge, and an image forming apparatus. One of his notable inventions is a charging member which features a conductive base material and an elastic layer with a storage elastic modulus G of 5.0 MPa or less at 100 Hz. This invention is characterized by its resistance component Ra, which is crucial for its performance in image formation. Another significant invention is an image forming apparatus that integrates an electrophotographic photoreceptor with a friction coefficient of 0.8 or less, along with a charging device that utilizes a similar charging member. These inventions collectively enhance the performance of electrostatic latent image forming devices, ensuring high-quality image outputs on various recording media.

Career Highlights

Throughout his career, Noboru Hirakawa has worked with prestigious companies such as Fuji Xerox Co., Ltd. and Fujifilm Business Innovation Corporation. His experiences in these organizations have provided him with a solid foundation to innovate and contribute to the field of imaging technology, driving forward the capabilities of modern imaging systems.

Collaborations

Hirakawa's journey has been complemented by collaborations with esteemed colleagues including Yoko Miyamoto and Yoshiyuki Tominaga. These partnerships have fostered an environment of shared ideas and concepts, further enriching his inventive endeavors.

Conclusion

Noboru Hirakawa stands as a prominent figure in the realm of innovations related to imaging technology. His nine patents reflect a commitment to solving complex challenges within the industry, making significant strides that continue to shape the future of imaging solutions. Through his collaborative efforts and extensive career experience, Hirakawa embodies the spirit of innovation that drives technological progress.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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